How can HTML tags be output as plain text in PHP without being interpreted by the browser?

When outputting HTML tags as plain text in PHP, you can use the htmlspecialchars function to encode the tags so they are displayed as text rather than being interpreted by the browser. This function converts special characters like < and > into their HTML entity equivalents, preventing them from being rendered as HTML. 

&lt;?php
$html = &quot;&lt;div&gt;Hello, world!&lt;/div&gt;&quot;;
echo htmlspecialchars($html);
?&gt;

Keywords

PHP htmlspecialchars htmlentities strip_tags escaping

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